#ifndef LINK_H_
#define LINK_H_

class Link{
private:	
	struct Node{
		int 			value;
		struct 	Node* 	next;
		struct  Node* 	prev;
	};
	Node* head;
public:
	Link();
	~Link();

	//增
	void insertNode(int value);
	//删
	void deleteNode(int value);
	//显示
	void display() const;
};


#endif
